Filter



Nov. 1'3, 1948. H E CARTER 2,388,668

FILTER Filed Nov. 10, 1943 2 Sheets-Sheet 1 jfoarTE. Uarer; $1 x q a@ www Nov. 13, 1945. H.' E."c:A'RTER y 2,388,658

' F1LTER- Filed Nov. 1Q,4 1.943v 2 Shets-Shet 2 I I l() TM.

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Patented Nov. 13, 1945 FILTER Hobart E. Carter, Monahans. Tex., assigner o! one-third to Samuel T. Carter, Penwell. Tex., and one-third to Marshall A. Russow, El Pase,

Tex.

Application November 1o, 1943, serial No. 509,754`

s claims.4 (ol. 21o- 1354) This invention relates to a '.dlter especially adapted for use in dry cleaning plants, laundries and similar establishments for cleaning or the removal ci foreign matter from solvent employed in washing machines, and has for the primary object the provision of a device of this character which will rapidly and eiliciently recondition solvent. so that it may be reemployed in a washing machine many times and at a minimum cost and may be manufactured and sold at a low cost.

With these and other objects in view as will become more apparent as the description proceeds, the invention consists in certain novel features of construction, combination and arrangement ci parts as will be hereinafter more fully described and claimed.

For a complete understanding of my invention, reference is to be had to the following description and accompanying drawings, in which:

Figure l is a front elevation illustrating a filter constructed in accordance with my invention.

.Figure 2 is a top plan view illustrating .the device. v

Figure 3 is asectional view taken on the lin 3-3 of Figure 1.

Figure 4 is a vertical sectional view illustrating the filter.

inous material. The filtering agent 2t extends l Figure 5 is a sectional view taken on the line moving endwise thereof by the shoulders .8. The

free end of the arm I Il is provided with an internally threaded Vbarrel. II integral with said arm I0 and receives a feed stem I2 provided with a hand wheel I3. The feed stem I2 has rotatably secured thereto a cover or lid I4 employed for closing the upper end of the tank. The lid I4 is provided with a marginal ilange I5 provided with a series of notches I6. The marginal ange I5 projects Vbeyond the walls of the tank to receive bolts I 1 pivoted to ears I8 Aiormed on the tank.

The bolts have nuts I9 threaded thereonfand which may be turned against the ilange I5 after the bolts have been passed through the notches 'I6 for eflicently securingthe cover to the tank to prevent the escape oi the contents of the y tank.

A supporting iiange 2@ is arranged in the tank '5 at a selected distance above the bottom of the tank for supporting a perforated disc 2l on which is arranged a screen 22 of foraminous material. Overlying the screen 22 is a sheet of cloth 23 acting as a, check to prevent lter material 2t from passing through the screen and perforated disc 2l but which wiii permit liquid as that oi' a solvent, after passing through the filter agent, to pass into a chamber 25 below the perforated disc, 2i. The iilter agent or material 2t may be fullers earth or any other iitlering agent suitable for the purpose.

LA supporting harige 2t is arranged in the tank t a selected distance below the upper open end of the tank and supports a screen 2l oi.' forain- The mouth ofthe bag is placed over the freeend of a flexible pipe 32 coupled to a solvent sup-y ply pipe 33 and in which is located a sight gauge 3B. After the flexible pipe 32 has been arranged in the mouth 3o oi the bag 28 the drawstring 3i is actuated to drawthe mouth tightly about the pipe so .that the solvent coming into the flexible pipe will be discharged into the bag for passage through the pad 29, the portion of the bag resting against the screen and through the latter and the filtering agent 2li. The solvent after passing through the filtering agent will have foreign material removed therefrom so that on passing through the sheet lof fabric 23, screen 22 and perforated disc 2i, will be received in the chamber 25 in a, reconditioned st'ate free of all foreign matter ready to be used again.

An outlet pipe 35 is coupled to the chamber 25 through .which the purified solvent may pass and is provided with a sight gauge 36. The solvent supply pipe 33 may be connected directlyto a Washing machine so that the solvent from said washing machine may be forced directly into the filter through the use of a suitable pump (not shown). 'The outlet pipe 35 may return the puri-4 fled solvent to the washing machine or to some storage tank where the purified solvent may be accumulated to be again used when needed.

of the foreign matter from the solvent received 1 in the device. The bag 28 can be easily removed after being detached from the ilexible pipe l2 through the upper end of the tank, the cover being easily releasable from the tank and swung laterally thereof by the arm rotating on the pintle portion 8 supporting the cover laterally of the tank leaving the entire upper end of the tank fully open.

The solvent supply pipe 3l may be provided with a pressure gauge 38 of any conventional construction.

From the foregoing description, taken in connection with the accompanying drawings. it will be seen that a very inexpensive filter has been provided wherein a solvent of a washing machine or similar device may be thoroughly iiltered of foreign material and thereby reconditioned ior further use at a nominal cost. Further, it is to y be seen that the illter can be easily cleaned of the collected foreign material and that the illtering agent can be renewed whenever desired.

While I have shown and described the preferred embodiment of my invention, it will be understood that minor changes in construction.

combination and arrangement of parts may be :african-ce4 made without departing trom the spiritand scope of the invention as claimed.

Having thus described the invention. what claim is:

- 1. In a filter, a tank, upper and lower screening mediums removably mcimted in said tank, a

other, mtering material arranged between said screens, a bag including a :tibi-ous pad resting onl the uppermost screen, a iiexible pipe extending into the mouth of the bag, means for closing the mouth of the bag about the pipe, a solvent supply pipe connected to the flexible pipe, and a drain pipe connected to the tank.

3. In a filter, a tank, iiltering screens removably mounted in the tank and spaced from each other, filtering material arranged between said screens, a bag including a fibrous pad resting on the uppermost screen, a ilexible pipe extending into the mouth or the bag, means for closing the mouth of the bag about the Pipe, a solvent supply pipe connected to the flexible pipe. a drain pipe connected to the tank, and sight tubes arranged in the supply pipe and in the drain pipe.

HOBART E. CAR'I'ER. 

